<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120">
                <XtxCheckbox :modelValue="$store.getters['cart/selectedAll']" @change="checkAll">全选</XtxCheckbox>
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr v-if="$store.getters['cart/validList'].length === 0">
              <td colspan="6">
                <CartNone />
              </td>
            </tr>
            <tr v-for="goods in $store.getters['cart/validList']" :key="goods.id">
              <td>
                <XtxCheckbox :modelValue="goods.selected" @change="checkOne(goods.skuId, $event)" />
              </td>
              <td>
                <div class="goods">
                  <router-link :to="`/product/${goods.id}`">
                    <img :src="goods.picture" alt="">
                  </router-link>
                  <div>
                    <p class="name ellipsis">{{ goods.name }}</p>
                    <!-- 选择规格组件 -->
                    <CartSku :attrsText="goods.attrsText" :skuId="goods.skuId" @change="updateCartSku(goods.skuId, $event)" />
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ goods.nowPrice }}</p>
                <p v-if="(goods.nowPrice - goods.price) > 0">比加入时降价 <span class="red">&yen;{{ (goods.nowPrice -
                goods.price).toFixed(2) }}</span></p>
              </td>
              <td class="tc">
                <XtxNumbox :num="goods.count" :max="goods.stock" @change="updateCount(goods.skuId, $event)"></XtxNumbox>
              </td>
              <td class="tc">
                <p class="f16 red">&yen;{{ (goods.price * goods.count).toFixed(2) }}</p>
              </td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p><a class="green" href="javascript:;" @click="deleteCart(goods.skuId)">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="$store.getters['cart/invalidList'].length">
            <tr>
              <td colspan="6">
                <h3 class="tit">失效商品</h3>
              </td>
            </tr>
            <tr v-for="goods in $store.getters['cart/invalidList']" :key="goods.id">
              <td>
                <XtxCheckbox style="color:#eee;" />
              </td>
              <td>
                <div class="goods">
                  <router-link :to="`/product/${goods.id}`">
                    <img :src="goods.picture" alt="">
                  </router-link>
                  <div>
                    <p class="name ellipsis">{{ goods.name }}</p>
                    <p class="attr">{{ goods.attrsText }}</p>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ goods.nowPrice }}</p>
              </td>
              <td class="tc">{{ goods.count }}</td>
              <td class="tc">
                <p>&yen;{{ (goods.count * goods.nowPrice).toFixed(2) }}</p>
              </td>
              <td class="tc">
                <p><a class="green" href="javascript:;" @click="deleteCart(goods.skuId)">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <XtxCheckbox :modelValue="$store.getters['cart/selectedAll']" @change="checkAll">全选</XtxCheckbox>
          <a href="javascript:;" @click="batchDeleteCart(false)">删除商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a href="javascript:;" @click="batchDeleteCart(true)">清空失效商品</a>
        </div>
        <div class="total">
          共 {{ $store.getters['cart/validTotal'] }} 件商品，已选择{{ $store.getters['cart/selectedTotal'] }} 件，商品合计：
          <span class="red">¥{{ $store.getters['cart/selectedMoney'].toFixed(2) }}</span>
          <XtxButton type="primary" @click="checkout">下单结算</XtxButton>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodsRelevant />
    </div>
  </div>
</template>
<script>
import Confirm from '@/components/library/Confirm'
import Message from '@/components/library/Message'
import GoodsRelevant from '@/views/goods/components/GoodsRelevant'
import { useRouter } from 'vue-router'
import { useStore } from 'vuex'
import CartNone from './components/CartNone'
import CartSku from './components/CartSku.vue'

export default {
  name: 'XtxCartPage',
  components: { GoodsRelevant, CartNone, CartSku },

  setup () {
    const store = useStore()

    // 修改规格
    function updateCartSku (oldSkuId, newSku) {
      store.dispatch('cart/updateCartSku', { oldSkuId, newSku })
    }

    function updateCount (skuId, count) {
      store.dispatch('cart/updateCart', { skuId, count })
    }

    function deleteCart (skuId) {
      Confirm({ text: '亲，您是否确认删除商品' }).then(() => {
        store.dispatch('cart/deleteCart', skuId).then(() => {
          Message({ type: 'success', text: '删除成功' })
        })
      }).catch(() => {
        Message({ text: '取消删除' })
      })
    }

    function batchDeleteCart (isClear) {
      Confirm({ text: `亲，您是否确认删除${isClear ? '无效的' : '已选择'}的商品` }).then(() => {
        store.dispatch('cart/batchDeleteCart', isClear).then(() => {
          Message({ type: 'success', text: '删除成功' })
        })
      }).catch(() => {
        Message({ text: '取消删除' })
      })
    }

    function checkOne (skuId, selected) {
      store.dispatch('cart/updateCart', { skuId, selected })
    }

    function checkAll (selected) {
      store.dispatch('cart/checkAllCart', selected)
    }

    // 结算
    const router = useRouter()
    function checkout () {
      if (store.getters['cart/selectedList'].length === 0) {
        Message({ text: '至少勾选一件商品' })
      } else {
        if (store.state.user.profile?.token) {
          router.push('/member/checkout')
        } else {
          Confirm({ text: '下单结算需要登录,确定现在去登录吗?' }).then(() => {
            router.push('/member/checkout')
          }).catch(() => {})
        }
      }
    }

    return {
      checkOne, checkAll, deleteCart, batchDeleteCart, updateCount, updateCartSku, checkout
    }
  }
}
</script>
<style scoped lang="less">
.tc {
  text-align: center;

  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}

.red {
  color: @priceColor;
}

.green {
  color: @xtxColor
}

.f16 {
  font-size: 16px;
}

.goods {
  display: flex;
  align-items: center;

  img {
    width: 100px;
    height: 100px;
  }

  >div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;

    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}

.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;

  .xtx-checkbox {
    color: #999;
  }

  .batch {
    a {
      margin-left: 20px;
    }
  }

  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}

.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}

.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;

    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;

      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;

        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }

      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
